2161360674 has 96 divisors (see below), whose sum is σ = 5253812928. Its totient is φ = 636480000.

The previous prime is 2161360609. The next prime is 2161360679. The reversal of 2161360674 is 4760631612.

It is a happy number.

It is a super-2 number, since 2×2161360674² = 9342959926227468552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2161360679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3595974 + ... + 3596574.

It is an arithmetic number, because the mean of its divisors is an integer number (54727218).

Almost surely, 2^2161360674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2161360674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626906464).

2161360674 is an abundant number, since it is smaller than the sum of its proper divisors (3092452254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161360674 is a wasteful number, since it uses less digits than its factorization.

2161360674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2161360674 is about 46490.4363713657. The cubic root of 2161360674 is about 1292.9321906792.

The spelling of 2161360674 in words is "two billion, one hundred sixty-one million, three hundred sixty thousand, six hundred seventy-four".